Grammy-winning Puerto Rican star is in the center of US culture wars before leading this weekend’s half-time showA few days after Christmas 2022, Bad Bunny, the Puerto Rican reggaetonero, appeared without warning on one of the most unlikely of stages: the roof of a Gulf Oil gas station in San Juan. To a massive crowd singing every word, he performed a surprise concert, along with friend and collaborator Arcángel, that was part hype-y music video shoot, part exultant post-tour homecoming, and part pointed critique. He ended the set with El Apagón (“The Power Outage”), a clubby protest anthem about local displacement and the rolling blackouts that have plagued Puerto Rico, a US “commonwealth” (read: colony), since Hurricane Maria in 2017.Bad Bunny sang it from a roof on Santurce’s Calle Loíza, a thoroughfare in a former working-class Black neighborhood now dotted with Airbnbs. But you do not need the full context to get the show’s contagious energy. Though I have never walked Calle Loíza...